1N5545 datasheet(2/3 Pages) MICROSEMI

No de pièce	1N5545

Description	Low Voltage Avalanche 500 mW Zener Diodes DO-35

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Fabricant	MICROSEMI [Microsemi Corporation]

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Low Voltage Avalanche

500 mW Zener Diodes DO-35

SCOTTSD A L E DIVISION

1N5518B thru 1N5546B-1 DO-35

ELECTRICAL CHARACTERISTICS (TA = 25oC unless otherwise noted. Based on DC measurements at

thermal equilibrium; VF = 1.1 Max @ IF = 200 mA for all types.)

MAX. REVERSE LEAKAGE

CURRENT (Note 4)

VR – VOLTS

JEDEC

TYPE

NUMBER

(Note 1)

NOMINAL

ZENER

VOLTAGE

VZ @ IZT

(Note 2)

VOLTS

TEST

CURRENT

IZT

mAdc

MAX. ZENER

IMPEDANCE

B-C-D SUFFIX

ZZT @ IZT

(Note 3)

OHMS

IR

µAdc

NON & A-

SUFFIX

B-C-D

SUFFIX

B-C-D

SUFFIX

MAXIMUM

DC ZENER

CURRENT

IZM

(Note 5)

mAdc

B-C-D SUFFIX

MAX. NOISE

DENSITY

AT IZ = 250µA

ND

µV/ √Hz

REGULATION

FACTOR

∆VZ

(Note 6)

VOLTS

LOW VZ

CURRENT

IZL

(Note 6)

mAdc

1N5518

1N5519

1N5520

1N5521

1N5522

3.3

3.6

3.9

4.3

4.7

20

10

26

24

22

18

22

5.0

3.0

1.0

3.0

2.0

0.90

1.0

1.5

1.0

1.5

2.0

115

105

98

88

81

0.5

0.90

0.85

0.75

0.60

2.0

1.0

1N5523

1N5524

1N5525

1N5526

1N5527

5.1

5.6

6.2

6.8

7.5

5.0

3.0

1.0

26

30

35

2.0

1.0

0.5

2.0

3.0

4.5

5.5

6.0

2.5

3.5

5.0

6.2

6.8

75

68

61

56

51

0.5

1.0

2.0

0.65

0.30

0.20

0.10

0.05

0.25

0.01

1N5528

1N5529

1N5530

1N5531

1N5532

8.2

9.1

10.0

11.0

12.0

1.0

40

45

60

80

90

0.5

0.1

0.05

6.5

7.0

8.0

9.0

9.5

7.5

8.2

9.1

9.9

10.8

46

42

38

35

32

4.0

5.0

10

0.05

0.10

0.20

0.01

1N5533

1N5534

1N5535

1N5536

1N5537

13.0

14.0

15.0

16.0

17.0

1.0

90

100

0.01

10.5

11.5

12.5

13.0

14.0

11.7

12.6

13.5

14.4

15.3

29

27

25

24

22

15

20

0.20

0.01

1N5538

1N5539

1N5540

1N5541

1N5542

18.0

19.0

20.0

22.0

24.0

1.0

100

0.01

15.0

16.0

17.0

18.0

20.0

16.2

17.1

18.0

19.8

21.6

21

20

19

17

16

20

0.20

0.25

0.30

0.01

1N5543

1N5544

1N5545

1N5546

25.0

28.0

30.0

33.0

1.0

100

0.01

21.0

23.0

24.0

28.0

22.4

25.2

27.0

29.7

15

14

13

12

20

0.35

0.40

0.45

0.50

0.01

NOTES:

1.

TOLERANCE AND VOLTAGE DESIGNATION –

The JEDEC type numbers shown are +/-20% with guaranteed limits for only VZ, IR, and VF. Units with A suffix are +/-10% with

guaranteed limits for VZ, IR, and VF. Units with guaranteed limits for all six parameters are indicated by a B suffix for +/-5.0% units,

C suffix for +/-2.0% and D suffix for +/-1.0%.

2.

ZENER VOLTAGE (VZ) MEASUREMENT –

Nominal zener voltage is measured with the device junction in thermal equilibrium with ambient temperature of 25

oC.

3.

ZENER IMPEDANCE (ZZ) MEASUREMENT –

The zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10%

of the dc zener current (IZT) is superimposed on IZT.

4.

REVERSE LEAKAGE CURRENT (IR) –

Reverse leakage currents are guaranteed and are measured at VR as shown on the table.

5.

MAXIMUM REGULATOR CURRENT (IZM) –

The maximum current shown is as shown in MIL-PRF-19500/437.

6.

MAXIMUM REGULATION FACTOR (

∆VZ) –

∆VZ is the maximum difference between VZ at IZT and VZ at IZL measured with the device junction in thermal equilibrium.

Microsemi

Scottsdale Division

8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

Page 2

Copyright

 2003

11-12-2003 REV B

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